Testing the Combination of Two Anticancer Drugs M1774 (Tuvusertib) and Avelumab to Evaluate Their Safety and Effectiveness in Treating Merkel Cell Skin Cancer, MATRiX Trial

Laura and Isaac Perlmutter Cancer Center at NYU Langone, New York

University of Pittsburgh Cancer Institute (UPCI), Pittsburgh

Sibley Memorial Hospital, Washington D.C.

Johns Hopkins University/Sidney Kimmel Cancer Center, Baltimore

University of Virginia Cancer Center, Charlottesville

VCU Massey Comprehensive Cancer Center, Richmond

Wake Forest University Health Sciences, Winston-Salem

Emory University Hospital/Winship Cancer Institute, Atlanta

University of Miami Miller School of Medicine-Sylvester Cancer Center, Miami

UM Sylvester Comprehensive Cancer Center at Coral Gables, Coral Gables

UM Sylvester Comprehensive Cancer Center at Kendall, Miami

UM Sylvester Comprehensive Cancer Center at Aventura, Aventura

UM Sylvester Comprehensive Cancer Center at Plantation, Plantation

UM Sylvester Comprehensive Cancer Center at Deerfield Beach, Deerfield Beach

Moffitt Cancer Center - McKinley Campus, Tampa

Moffitt Cancer Center, Tampa

University of Kentucky/Markey Cancer Center, Lexington

Northwestern University, Chicago

Memorial Hospital East, Shiloh

Washington University School of Medicine, St Louis

Siteman Cancer Center-South County, St Louis

Siteman Cancer Center at Christian Hospital, St Louis

Siteman Cancer Center at West County Hospital, Creve Coeur

Siteman Cancer Center at Saint Peters Hospital, City of Saint Peters

University of Kansas Cancer Center - Lee's Summit, Lee's Summit

University Health Truman Medical Center, Kansas City

University of Kansas Cancer Center - North, Kansas City

Lawrence Memorial Hospital, Lawrence

The University of Kansas Cancer Center - Olathe, Olathe

University of Kansas Cancer Center, Kansas City

University of Kansas Hospital-Westwood Cancer Center, Westwood

University of Kansas Cancer Center-Overland Park, Overland Park

University of Kansas Hospital-Indian Creek Campus, Overland Park

University of Kansas Health System Saint Francis Campus, Topeka

Salina Regional Health Center, Salina

HaysMed, Hays

University of Oklahoma Health Sciences Center, Oklahoma City

UT Southwestern/Simmons Cancer Center-Dallas, Dallas

UCHealth University of Colorado Hospital, Aurora

Huntsman Cancer Institute/University of Utah, Salt Lake City

Keck Medicine of USC Koreatown, Los Angeles

Los Angeles General Medical Center, Los Angeles

USC / Norris Comprehensive Cancer Center, Los Angeles

UC San Diego Moores Cancer Center, La Jolla

UCI Health - Chao Family Comprehensive Cancer Center and Ambulatory Care, Irvine

USC Norris Oncology/Hematology-Newport Beach, Newport Beach

UC Irvine Health/Chao Family Comprehensive Cancer Center, Orange

Stanford Cancer Institute Palo Alto, Palo Alto

Fred Hutchinson Cancer Center, Seattle

Yale University, New Haven

Dana-Farber Cancer Institute, Boston

University Health Network-Princess Margaret Hospital, Toronto